Engineering services across Virginia, Maryland & Washington, DC(703) 759-4901
Commercial • Infrastructure • Public Sector

Engineering for complex sites, critical facilities and high-stakes projects.

S.Q. Consultants delivers structural, geotechnical, inspection, design and project-management expertise across the Washington metropolitan region—supporting airports, commercial properties, transportation assets, institutions and demanding redevelopment work.

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Since 1986Four decades of regional engineering experience
$3B+Aggregate value of managed projects
DMV RegionServing Virginia, Maryland and Washington, DC
DBE / SWaMPublic-sector procurement credentials
Engineering capabilities

Engineering expertise for demanding projects.

Integrated services for complex structures, challenging sites and construction programs, from investigation and design through inspection and field support.

S

Structural Engineering

Evaluation, analysis and design for commercial buildings, warehouses, institutional facilities, specialty structures, retaining systems and renovations.

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G

Geotechnical Engineering

Subsurface investigations, soil evaluations, slope stability, foundation recommendations and site-specific engineering support.

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I

Inspection & Assessment

Building, bridge, foundation, structural and construction inspection services supported by written engineering findings and recommendations.

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D

Engineering Design & Permitting

Design drawings, calculations, drafting, permit documents, coordination and specialty engineering for complex improvements.

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P

Project & Construction Management

Engineering-led coordination, QA/QC, construction-phase support and project administration from inception through completion.

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C

Commercial Due Diligence

Targeted evaluations for owners, developers, contractors and property teams making acquisition, renovation, capacity or risk decisions.

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Engineering with purpose

From complex conditions to buildable solutions.

Engineering insight for owners and project teams who need precise assessments, coordinated documents and dependable construction-phase support.

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Selected project experience

Project experience across critical infrastructure.

Selected engineering engagements across airports, institutional facilities and commercial properties in the Washington metropolitan region.

Airport Infrastructure

EV Charging Stations — Reagan National & Washington Dulles

Design services supporting MWAA/Dominion Energy electrification work at two major regional airports.

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Airport Design

BWI Terminal Monitor Installations

Structural and electrical design, permitting and inspection support for oversized terminal displays.

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Airport Engineering

Washington Dulles Airport Project Delivery

Continued engineering project delivery with RMS Electrical Services in support of MWAA airport facilities.

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Reconstruction

NOVA Wild — Fire-Damaged Steel Structures

Structural assessment, slab testing, reconstruction design and permit-ready documentation.

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Institutional

Historic Church Reconstruction & Expansion

Post-fire assessment, geotechnical work, structural design and coordinated permit documents.

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Procurement-ready

A capable engineering partner for complex public work.

Support for contractors, agencies and facility owners through technical engineering services, agency project experience and established procurement qualifications.

Virginia DBE & SWaM
VDOT VSBEP
WMATA DBE / SBE / MBE
MWAA LDBE
Maryland DBE
SAM.gov Registered
Procurement identifiers

Business and procurement details

UEIK9MLCEKNW9M8
CAGE06EQ5
NAICS541330
Inspection541350
Residential & property engineering

Engineering for major property investments and complex conditions.

Structural changes, site challenges and significant property conditions call for considered engineering. We support owners, architects and builders with evaluations, documentation and design.

  • Property acquisition due diligence
  • Major additions & renovations
  • Slope stability & subsurface exploration
  • Foundation settlement investigations
  • Retaining wall evaluation & design
  • Permit drawings & structural design
  • Fire / impact damage assessments
  • Complex drainage & site concerns

Residential & Property Engineering

From additions and retaining walls to foundation conditions and post-damage reconstruction, our engineers help resolve the questions that shape major property decisions.

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Need engineering support for an upcoming project?

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